Cross-Platform App Development Services

Aetherius Solutions: The best mobile app startup ideaAetherius Solutions: Trusted partnerAetherius Solutions: This Startup launched MVP in just 2 weeksAetherius Solutions: The right app development partnerAetherius Solutions: Mobile App Startup
Aetherius Solutions: This Startup launched MVP in just 2 weeksAetherius Solutions: Trusted partnerAetherius Solutions: The best mobile app startup ideaAetherius Solutions: Building a mobile app for startupsAetherius Solutions: Mobile App Startup
Our Services

What cross-platform development services you get?

01.
Custom cross-platform app development
02.
Migration from Native to Cross-Platform
03.
UI/UX Design
04.
Cross-Platform consulting
05.
Maintenance and support

Custom cross-platform app development

You get an app for both iOS and Android, fully tailored to provide a native user experience. It can be written in Kotlin Multiplatform, Compose Multiplatform, Flutter, or React Native once we together determine which is most suitable for your needs.

Migration from Native to Cross-Platform

You have an app already written natively for iOS or Android and want to convert it to a cross-platform technology? Our team will do that for you and ensure your app runs smoothly, saving you time and money by eliminating the need for separate iOS and Android teams.

UI/UX Design

You will get a design aligned with your brand, increasing your cross-platform app awareness. Our team carefully listens to your plans and creates a UI/UX design based on target audience research, tailoring it to boost user satisfaction and engagement.

Cross-Platform consulting

Need help with your cross-platform app development? Our team is here to carefully listen to your plans and vision and help you find the right solution together. Detailed discussions and strategic planning will provide you with valuable insights tailored to your multiplatform app.

Maintenance and support

Our cross-platform app maintenance services are designed to ensure your app remains responsive, secure, and fully functional over time. With ongoing cross-platform support services, you are just a phone call or email away.

Need a cross-platform team extension?

Whether you need only one developer, or a whole team to build your mobile app, you'll find them here! Let's discuss and onboard our Kotlin Multiplatform developers in maximum 5 days.

Custom cross-platform app development

You get an app for both iOS and Android, fully tailored to provide a native user experience. It can be written in Kotlin Multiplatform, Compose Multiplatform, Flutter, or React Native once we together determine which is most suitable for your needs.

Migration from Native to Cross-Platform

You have an app already written natively for iOS or Android and want to convert it to a cross-platform technology? Our team will do that for you and ensure your app runs smoothly, saving you time and money by eliminating the need for separate iOS and Android teams.

UI/UX Design

You will get a design aligned with your brand, increasing your cross-platform app awareness. Our team carefully listens to your plans and creates a UI/UX design based on target audience research, tailoring it to boost user satisfaction and engagement.

Cross-Platform consulting

Need help with your cross-platform app development? Our team is here to carefully listen to your plans and vision and help you find the right solution together. Detailed discussions and strategic planning will provide you with valuable insights tailored to your multiplatform app.

Maintenance and support

Our cross-platform app maintenance services are designed to ensure your app remains responsive, secure, and fully functional over time. With ongoing cross-platform support services, you are just a phone call or email away.

Need a cross-platform team extension?

Whether you need only one developer, or a whole team to build your mobile app, you'll find them here! Let's discuss and onboard our Kotlin Multiplatform developers in maximum 5 days.

Your business is in good hands

"Aetherius Solutions helped the client improve revenue and customer ratings. The team always provided content on time and took the initiative to solve things really quickly. They also demonstrated flexibility, high motivation, and good team spirit."

A satisfied client who trusted Aetherius to develop the app
Felix Wolf
Senior Consultant & Program Manager, Merkle DACH

"Aetherius Solutions' work achieved the correct functionality, satisfying the client's expectations, and planning to collaborate on a larger project in the future."

Aetherius Solutions and a trusted partner for cross-platform app development
Mike Ralph
Managing Director, Band of Coders

"Working with Aetherius solutions was pure pleasure. They helped us bring our iOS MVP application to life while constantly providing valuable ideas on how we can further improve our product"

Aetherius Solutions: Satisfiied Client Feedback
Adam Shishani
Founder, Dopalearn

“We had a specific industry problem and wanted to help people solve it with a unique app. Our first plan was to test the MVP version in a couple of smaller cities in Serbia, but we didn't expect to encounter such positive reactions from users so quickly. Aetherius Solution’s team developed the first version in just 1 month with 0 bugs and issues!”

A satisfied client who trusted Aetherius to develop the app
Katarina Ristić
Founder & COO, Znam Majstora

"Aetherius Solutions team reassured us with their experience and knowledge that there are still companies that respect agreements. We successfully executed our plans, and the team followed our desires throughout, consistently working on the Salona application."

A satisfied client who trusted Aetherius to develop the app
Djordje Dimitrijević
Founder & CEO, Salona

"We have had a great experience with Aetherius Solutions. Their skilled developers provided us with clear and detailed information, ensuring effective communication throughout the project. I would highly recommend them for any project you might have."

A satisfied client who trusted Aetherius to develop the app
Srdjan Miladinovic
Sales Operations Manager, Ingsoftware

"I worked with Aetherius Solutions team on an early-stage project. They were great at taking direction and executing a functional prototype of our concepts. Would love to work with his team again."

A satisfied client who trusted Aetherius to develop the app
Dmitry Zolotaryov
Ex Engineering Manager at Kin Social

"Aetherius Solutions has delivered all project milestones on time. The team has proactively identified potential risks early on and communicated potential challenges. Their flexibility in accommodating changes without significant delays has ensured the client's needs are met."

A satisfied client who trusted Aetherius to develop the app
Yogesh Veerara
CTO, Wheretogo

"What stood out most about Aetherius Solutions was their exceptional adaptability and dynamic problem-solving approach."

A satisfied client who trusted Aetherius to develop the app
Erkin Jumayev
Co-Founder, Software Company

Need a cross-platform team extension?

Whether you need only one developer, or a whole team to build your mobile app, you'll find them here! Let's discuss and onboard our Kotlin Multiplatform developers in maximum 5 days.

Fair refund policy

10 day refund policy
Our help and support service comes with a 100% satisfaction guarantee.
That is why we want to know if our development doesn’t satisfy your demands.
Within 10 days after we deliver our solution to you, we will gladly return 100% of your money if not satisfied. No questions asked.
Aetherius Enterprise Package Pricing: iOS Developer
98% satisfied clients
Aetherius Enterprise Package Pricing: iOS Developer
10 days no questions asked refund policy
Aetherius Enterprise Package Pricing: iOS Developer
24 hours response time
You have an app idea and want to see it on the screen as soon as possible?
Find out how much it costs to build such an app and how long it takes to launch it.
Estimate your project
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6486 people estimated their project here
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What describes your needs best?

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What describes your needs best?

What kind of services are you looking for to support your project?

What is the primary focus of the app you want to build?

Which platforms do you want the app to support?

What features are essential for your app?

What is your planned monetization strategy?

What is your preferred timeline for development?

Do you need additional services?

How much money are you willing to invest in your project? (optional)

Please provide the following details so we can send you a cost estimate.

Full Name*
Company
E-mail*

What type of website are you looking to develop?

What specific features and functionalities do you need on your website?

Do you need additional services?

What is your preferred timeline for development?

How much money are you willing to invest in your project? (optional)

Successfully submitted!
You'll get an email with your project’s price estimation within 24 hours.
Oops! Something went wrong while submitting the form.

Why choose Aetherius Solutions for mobile app development?

Aetherius team consists of young and successful individuals who are aware of how the IT world functions today, the speed at which the market changes, the trends that must constantly be followed, and everything needed to create a mobile app that will increase user satisfaction.


Although the company is young, it consists of experts with many years of experience, eager to prove themselves and highly motivated to create success for each client, dedicating maximum attention and earning well-deserved trust. A mobile app development company that has been around for many years doesn't necessarily mean better quality, as we, at the beginning, put in a big effort to create success together with you!

In just 2 years, our results in numbers are:

98%

satisfied
clients

5 day

day to onboard devs

68+

projects
delivered

5.0

score on
Clutch

development process

Key Steps In Our Mobile App Development Process

We offer end-to-end mobile app development services tailored to your industry and financial preferences

Step by step guide to our mobile app development process
get started

Curious whether Aetherius is the right fit for your project?

Realizing the individuality of each project, we offer a free consultation with our skilled mobile app developers. This enables you to discover customized mobile solutions for your project and gain insight into the Aetherius approach to mobile app development

faq

Frequently asked question

How do you determine the cost of app development?

The cost of developing a mobile app depends on factors such as the app's complexity, design, and features. You can check the price in our cost calculator.

How long does it take to develop a mobile app?

The time required to develop a mobile app depends on its complexity and features. On average, a mobile app takes between 3 to 6 months, but you’ll get a detailed timeline plan after we talk about your project requirements.

Do you offer help with MVP development?

Yes, we specialize in MVP development to help startups validate their app ideas quickly and cost-effectively. Depending on the app complexity, you can have your MVP ready in 2 months.

What technologies do you use?

We use a range of technologies, including Kotlin Multiplatform, Swift, and native Android and iOS development, depending on your app’s needs.

Can you work within my budget?

Yes, we create a customized solution tailored to your budget, ensuring there are no hidden costs or surprises.

When we agree on the budget, our analysis includes all potential additional costs that may arise during the development phase, so you’ll know in advance the highest amount you might need to allocate. These costs are determined based on our experience with clients who had similar apps, and they are there to help ensure you're confident and that nothing exceeds the planned budget.

Do you provide ongoing support after the app is launched?

Absolutely. We offer post-launch maintenance and updates to keep your app running smoothly and up-to-date.

Will I own the app’s source code?

Yes, once the project is completed, you retain full ownership of the source code and intellectual property.

Can you integrate third-party APIs or tools into my app?

Yes, we can seamlessly integrate APIs, tools, and services to enhance your app’s functionality and user experience.

How do you ensure the quality of the app?

We follow strict QA testing processes, including functional testing, performance testing, and user testing, to ensure the app is reliable and user-friendly.